buttonholder
nounUK /ˈbʌtənˌhəʊldə/
US /ˈbʌtənˌhoʊldər/
A buttonholder is a small loop or hole that keeps a button in place.
She sewed a buttonholder on the coat so the button would stay closed.
RELATED WORDS
OTHER MEANINGS
2. A person who holds or operates buttons, as on a machine or control panel.
The buttonholder at the factory pressed the switch to start the machine.
3. A small device or clamp that holds a button while it is being sewn or polished.
He used a buttonholder to keep the button steady while stitching.
4. A decorative loop on a uniform or ceremonial garment that secures a button.
The soldier's jacket had a brass buttonholder near the collar.